Peaks.js is a JavaScript library that allows you to display and interaction with audio waveforms in the browser.
It was developed by BBC R&D to allow audio editors to make accurate clippings of audio content. You can read more about the project here.
The following pages demonstrate various configuration options:
Precomputed Waveform Data | Web Audio API | Single Zoomable Waveform | Single Fixed Waveform | Cue Events | Changing the Media URL | Multi-Channel Waveform
This demo shows how to listen for events from the playhead reaching points, or segment edges.
Events in this demo are logged in the browser console.
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